• Android Developers
  • With Google Play Instant, people can use an app or game without installing it first
  • Android Jetpack is a suite of libraries to help developers follow best practices, reduce boilerplate code, and write code that works consistently across Android versions and devices so that developers can focus on the code they care about.
    • Libraries
      • Room persistence library  |  Create, store, and manage persistent data backed by a SQLite database.
• Udemy
  • Jetpack Compose Crash course for Android with Kotlin
• freeCodeCamp.org
  • How to Work on a Multi-Library Project in Android – Locally and Remotely
• KDAB / Reverse Engineering Android Apps
• Хабр
  • Интересные приёмы, взятые из исходников Android
  • Основы View и ViewGroup. Создаём интерфейсы в Android-приложениях
• cnlohr/rawdrawandroid Build android apps without any java, entirely in C and Make

Books

• Simplifying Android Development with Coroutines and Flows. Learn how to use Kotlin coroutines and the flow API to handle data streams asynchronously in your Android app by Jomar Tigcal - 164 pages
• Android Software Internals Quick Reference. A Field Manual and Security Reference Guide to Java-based Android Components by James Stevenson
• Android Animations by Tutorials by Filip Babić, Prateek Prasad & Alex Sullivan - 221 pages
• Android UI Development with Jetpack Compose. Bring declarative and native UIs to life quickly and easily on Android using Jetpack Compose by Thomas Künneth - 248 pages
• Processing for Android. Create Mobile, Sensor-aware, and XR Applications Using Processing by Andrés Colubri - 429 pages
  • Write apps and live wallpapers for smartphones and tablets

Wikipedia

• Android version history